COLLISION DETECTION DEVICE FOR VEHICLE

摘要

A collision detection device (1) for a vehicle, provided with: a bumper absorber (2), which is an impact absorption member installed in a bumper (7) of the vehicle; a detection tube member (3) fitted into a groove part (2a) formed on the bumper absorber (2) along the vehicle-width direction, the detection tube member (3) having a hollow part (3a) formed in the interior and installed on the vehicle-front side of a bumper reinforcement (9); a pressure sensor (4) for detecting the pressure in the hollow part (3a) of the detection tube member (3); and a collision detection ECU (6) for detecting a collision of an object with the bumper (7) on the basis of the result of pressure detection by the pressure sensor (4). The collision detection device (1) for a vehicle is provided with a packing member (5, 51, 52) packed in a gap formed on the vehicle-front and/or -rear side of the detection tube member (3) in the groove part (2a).